/*
 * Copyright 2025 LinQingYing. and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of this source code is governed by the Apache License 2.0,
 * which allows users to freely use, modify, and distribute the code,
 * provided they adhere to the terms of the license.
 *
 * The software is provided "as-is", and the authors are not responsible for
 * any damages or issues arising from its use.
 *
 */

package org.cangnova.cangjie.debugger.dap.ui

import com.intellij.xdebugger.frame.XExecutionStack
import com.intellij.xdebugger.frame.XSuspendContext
import org.cangnova.cangjie.debugger.dap.core.StackFrameInfo
import org.cangnova.cangjie.debugger.dap.core.ThreadInfo

/**
 * 仓颉暂停上下文
 *
 * 表示调试器暂停时的状态
 */
class CangJieSuspendContext(
    private val debugProcess: DapDebugProcess,
    val activeThreadId: Long,
    private val threads: List<ThreadInfo> = emptyList(),
    private val frames: List<StackFrameInfo> = emptyList()
) : XSuspendContext() {

    override fun getActiveExecutionStack(): XExecutionStack? {
        val activeThread = threads.find { it.id == activeThreadId }
            ?: ThreadInfo(activeThreadId, "Thread-$activeThreadId")
        return CangJieExecutionStack(debugProcess, activeThread, frames)
    }

    override fun getExecutionStacks(): Array<XExecutionStack> {
        return if (threads.isEmpty()) {
            arrayOf(
                CangJieExecutionStack(
                    debugProcess,
                    ThreadInfo(activeThreadId, "Thread-$activeThreadId"),
                    emptyList()
                )
            )
        } else {
            threads.map { thread ->
                CangJieExecutionStack(debugProcess, thread, emptyList())
            }.toTypedArray()
        }
    }
}